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LibJS: Implement unary plus / minus

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This commit is contained in:
Linus Groh 2020-04-02 17:58:39 +01:00 • committed by Andreas Kling
parent 5e6e1fd482
commit a62230770b
9 changed files with 73 additions and 25 deletions
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12
Libraries/LibJS/Runtime/Value.cpp
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@ -191,6 +191,18 @@ Value bitwise_not(Value lhs)
return Value(~(i32)lhs.to_number().as_double());
}
Value unary_plus(Value lhs)
{
return lhs.to_number();
}
Value unary_minus(Value lhs)
{
if (lhs.to_number().is_nan())
return js_nan();
return Value(-lhs.to_number().as_double());
}
Value left_shift(Value lhs, Value rhs)
{
return Value((i32)lhs.to_number().as_double() << (i32)rhs.to_number().as_double());